8. AppendixAlert messageTroubleshooting checklistSafety informationSafety precautionsAbout the battery usageFCC Hearing-Aid Compatibility (HAC) Regulations for WirelessDevicesFCC Regulatory ComplianceWarrantyAlert messageIf you experience any problem while using your mobile phone, please referto the following checklist. If the problem still persists, contact your dealer ornearest carrier.When the “Insert SIM Card” message appears:Make sure the SIM card is correctly installed. Check to see if the SIM cardis working properly. If it does not work, try to clean the contact points of thecard with a dry cloth. If it is out of order, take it to your service provider.When the “Messages full” message appears:The received or saved messages are full in your phone memory. You needto delete the message.When the “Phone and SIM messages is full. Delete Messages”message appears:The received or saved messages are full in your phone and SIM cardmemory. You need to delete the message.When the “Password” message appears in Phone locked state:Enter the phone password. The default password is”1234”. If you cannotremember the password, contact the nearest carrier.